Trace number 1554845

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
VARSAT-crafted 2009-03-22UNSAT 52.352 52.3672

General information on the benchmark

NameAPPLICATIONS/bitverif/
smulo/smulo016.cnf
MD5SUM576249eded8a3c95c0b3aa8dcd51992e
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark12.2751
Satisfiable
(Un)Satisfiability was proved
Number of variables2945
Number of clauses8738
Sum of the clauses size20386
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 25824
Number of clauses of size 32912
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2945                                                 |
0.00/0.00	c |  Number of clauses:    8738                                                 |
0.00/0.01	c |  Parsing time:         0.01         s                                       |
0.00/0.01	c |  Timeout:              43200 s
0.00/0.01	c |  Random Seed:          52276754.000000
0.00/0.01	c |  Heuristic:            EMBP-G, threshold 0.800                              |
0.00/0.01	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.01	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.01	c |                                                                             |
0.01/0.04	c ============================[ Search Statistics ]==============================
0.01/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.01/0.04	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.01/0.04	c ===============================================================================
0.01/0.04	c |         0 |    1459     6286    17914 |     2095        0    nan |  0.000 % |
0.01/0.05	c |       101 |    1459     6286    17914 |     2304      101     27 |  0.068 % |
0.01/0.07	c |       253 |    1459     6286    17914 |     2535      253     33 |  0.068 % |
0.09/0.10	c |       478 |    1459     6286    17914 |     2788      478     26 |  0.068 % |
0.09/0.13	c |       816 |    1459     6286    17914 |     3067      816     24 |  0.068 % |
0.09/0.16	c |      1323 |    1459     6286    17914 |     3374     1323     20 |  0.068 % |
0.19/0.24	c |      2083 |    1459     6286    17914 |     3712     2083     25 |  0.068 % |
0.29/0.37	c |      3222 |    1459     6286    17914 |     4083     3222     24 |  0.068 % |
0.49/0.58	c |      4930 |    1459     6286    17914 |     4491     2647     24 |  0.068 % |
0.89/0.94	c |      7492 |    1459     6286    17914 |     4940     2738     20 |  0.068 % |
1.19/1.29	c |     11336 |    1459     6286    17914 |     5434     3881     20 |  0.068 % |
1.99/2.01	c |     17102 |    1459     6286    17914 |     5978     3742     22 |  0.068 % |
2.89/2.90	c |     25751 |    1459     6286    17914 |     6576     6030     20 |  0.068 % |
4.48/4.56	c |     38725 |    1459     6286    17914 |     7233     5032     25 |  0.068 % |
6.88/6.99	c |     58187 |    1459     6286    17914 |     7957     5761     18 |  0.068 % |
10.39/10.48	c |     87379 |    1459     6286    17914 |     8752     6034     19 |  0.068 % |
16.99/17.01	c |    131168 |    1457     6277    17893 |     9628     4723     16 |  0.136 % |
26.39/26.48	c |    196855 |    1457     6277    17893 |    10590     5670     19 |  0.136 % |
40.27/40.38	c |    295381 |    1443     6134    17446 |    11649     8857     18 |  0.611 % |
52.27/52.36	c ===============================================================================
52.27/52.36	c surveys--CPU time (sec)   : 0.1400         (0.27 % of total)
52.27/52.36	c surveys--attempted        : 19             (136 /sec)
52.27/52.36	c surveys--converged        : 19             (100.00 % successful)
52.27/52.36	c restarts              : 19
52.27/52.36	c conflicts             : 373428         (7155 /sec)
52.27/52.36	c decisions             : 491538         (1.21 % random) (9418 /sec)
52.27/52.36	c propagations          : 70292414       (1346803 /sec)
52.27/52.36	c conflict literals     : 8608457        (53.34 % deleted)
52.27/52.36	c Memory used           : 7.73 MB
52.27/52.36	c Total CPU time (sec)      : 52.3320     
52.27/52.36	c 
52.27/52.36	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1554845-1238733304/watcher-1554845-1238733304 -o /tmp/evaluation-result-1554845-1238733304/solver-1554845-1238733304 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-crafted_static -seed=52276754 HOME/instance-1554845-1238733304.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.30 1.66 1.41 3/80 13815
/proc/meminfo: memFree=1761120/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=2956 CPUtime=0
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 365 0 0 0 0 0 0 0 18 0 1 0 1145994259 3026944 350 1992294400 4194304 5102648 548682068784 18446744073709551615 4245091 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 739 350 87 221 0 515 0

[startup+0.018916 s]
/proc/loadavg: 1.30 1.66 1.41 3/80 13815
/proc/meminfo: memFree=1761120/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=4228 CPUtime=0.01
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 666 0 0 0 1 0 0 0 18 0 1 0 1145994259 4329472 651 1992294400 4194304 5102648 548682068784 18446744073709551615 4491719 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1057 652 100 221 0 833 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4228

[startup+0.101925 s]
/proc/loadavg: 1.30 1.66 1.41 3/80 13815
/proc/meminfo: memFree=1761120/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=4636 CPUtime=0.09
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 848 0 0 0 9 0 0 0 18 0 1 0 1145994259 4747264 791 1992294400 4194304 5102648 548682068784 18446744073709551615 4249897 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1159 791 112 221 0 935 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4636

[startup+0.301945 s]
/proc/loadavg: 1.30 1.66 1.41 3/80 13815
/proc/meminfo: memFree=1761120/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=4636 CPUtime=0.29
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 848 0 0 0 29 0 0 0 19 0 1 0 1145994259 4747264 791 1992294400 4194304 5102648 548682068784 18446744073709551615 4249874 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1159 791 112 221 0 935 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4636

[startup+0.701986 s]
/proc/loadavg: 1.30 1.66 1.41 3/80 13815
/proc/meminfo: memFree=1761120/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=4900 CPUtime=0.69
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 912 0 0 0 69 0 0 0 22 0 1 0 1145994259 5017600 855 1992294400 4194304 5102648 548682068784 18446744073709551615 4227637 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1225 855 112 221 0 1001 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4900

[startup+1.50107 s]
/proc/loadavg: 1.30 1.66 1.41 2/81 13816
/proc/meminfo: memFree=1757976/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=5164 CPUtime=1.49
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 963 0 0 0 149 0 0 0 25 0 1 0 1145994259 5287936 906 1992294400 4194304 5102648 548682068784 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1291 906 112 221 0 1067 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5164

[startup+3.10123 s]
/proc/loadavg: 1.27 1.65 1.41 2/81 13816
/proc/meminfo: memFree=1757528/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=5560 CPUtime=3.09
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1055 0 0 0 309 0 0 0 25 0 1 0 1145994259 5693440 998 1992294400 4194304 5102648 548682068784 18446744073709551615 4249052 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1390 998 112 221 0 1166 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5560

[startup+6.30157 s]
/proc/loadavg: 1.27 1.65 1.41 2/81 13816
/proc/meminfo: memFree=1756888/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=5956 CPUtime=6.28
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1164 0 0 0 628 0 0 0 25 0 1 0 1145994259 6098944 1107 1992294400 4194304 5102648 548682068784 18446744073709551615 4249961 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1489 1107 112 221 0 1265 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 5956

[startup+12.7012 s]
/proc/loadavg: 1.23 1.63 1.40 2/81 13816
/proc/meminfo: memFree=1756504/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=6288 CPUtime=12.69
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1238 0 0 0 1268 1 0 0 25 0 1 0 1145994259 6438912 1181 1992294400 4194304 5102648 548682068784 18446744073709551615 4249900 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1572 1181 112 221 0 1348 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 6288

[startup+25.5016 s]
/proc/loadavg: 1.19 1.61 1.40 2/81 13816
/proc/meminfo: memFree=1755608/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=7236 CPUtime=25.48
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1458 0 0 0 2547 1 0 0 25 0 1 0 1145994259 7409664 1401 1992294400 4194304 5102648 548682068784 18446744073709551615 4249807 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1809 1401 112 221 0 1585 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 7236

[startup+51.1012 s]
/proc/loadavg: 1.13 1.56 1.39 2/81 13816
/proc/meminfo: memFree=1754968/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=7908 CPUtime=51.07
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1627 0 0 0 5106 1 0 0 25 0 1 0 1145994259 8097792 1570 1992294400 4194304 5102648 548682068784 18446744073709551615 4249813 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1977 1570 112 221 0 1753 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 7908

Solver just ended. Dumping a history of the last processes samples

[startup+51.9013 s]
/proc/loadavg: 1.13 1.56 1.39 2/81 13816
/proc/meminfo: memFree=1754968/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=7908 CPUtime=51.87
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1627 0 0 0 5186 1 0 0 25 0 1 0 1145994259 8097792 1570 1992294400 4194304 5102648 548682068784 18446744073709551615 4249888 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1977 1570 112 221 0 1753 0
Current children cumulated CPU time (s) 51.87
Current children cumulated vsize (KiB) 7908

[startup+52.3013 s]
/proc/loadavg: 1.13 1.56 1.39 2/81 13816
/proc/meminfo: memFree=1754968/2055912 swapFree=4170688/4192956
[pid=13815] ppid=13813 vsize=7908 CPUtime=52.27
/proc/13815/stat : 13815 (varsat-crafted_) R 13813 13815 13527 0 -1 4194304 1632 0 0 0 5226 1 0 0 25 0 1 0 1145994259 8097792 1575 1992294400 4194304 5102648 548682068784 18446744073709551615 4254547 0 0 4096 3 0 0 0 17 1 0 0
/proc/13815/statm: 1977 1575 112 221 0 1753 0
Current children cumulated CPU time (s) 52.27
Current children cumulated vsize (KiB) 7908

Child status: 20
Real time (s): 52.3672
CPU time (s): 52.352
CPU user time (s): 52.332
CPU system time (s): 0.019996
CPU usage (%): 99.9711
Max. virtual memory (cumulated for all children) (KiB): 7908

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 52.332
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1637
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 2
involuntary context switches= 56

runsolver used 0.069989 second user time and 0.175973 second system time

The end

Launcher Data 

Begin job on node78 at 2009-04-03 06:35:04
IDJOB=1554845
IDBENCH=70788
IDSOLVER=537
FILE ID=node78/1554845-1238733304
PBS_JOBID= 9085353
Free space on /tmp= 126852 MiB

SOLVER NAME= VARSAT-crafted 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/bitverif/smulo/smulo016.cnf
COMMAND LINE= HOME/varsat-crafted_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1554845-1238733304/watcher-1554845-1238733304 -o /tmp/evaluation-result-1554845-1238733304/solver-1554845-1238733304 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-crafted_static -seed=52276754 HOME/instance-1554845-1238733304.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 576249eded8a3c95c0b3aa8dcd51992e
RANDOM SEED=52276754

node78.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055912 kB
MemFree:       1761536 kB
Buffers:         43528 kB
Cached:         167640 kB
SwapCached:       7792 kB
Active:          69912 kB
Inactive:       151788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1761536 kB
SwapTotal:     4192956 kB
SwapFree:      4170688 kB
Dirty:            1136 kB
Writeback:           0 kB
Mapped:          16140 kB
Slab:            56804 kB
Committed_AS:  2835332 kB
PageTables:       2556 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 126848 MiB
End job on node78 at 2009-04-03 06:35:56